diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cfgexpand.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr46893.c | 13 |
4 files changed, 27 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d923821..7a64192 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-12-16 Jakub Jelinek <jakub@redhat.com> + + PR debug/46893 + * cfgexpand.c (expand_debug_expr): If GET_MODE (op0) is VOIDmode, + use TYPE_MODE (TREE_TYPE (tem)) instead of mode1. + 2010-12-16 Chung-Lin Tang <cltang@codesourcery.com> PR target/46883 diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 6cc5d01..a3940d0 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -2703,7 +2703,7 @@ expand_debug_expr (tree exp) enum machine_mode opmode = GET_MODE (op0); if (opmode == VOIDmode) - opmode = mode1; + opmode = TYPE_MODE (TREE_TYPE (tem)); /* This condition may hold if we're expanding the address right past the end of an array that turned out not to @@ -2724,7 +2724,8 @@ expand_debug_expr (tree exp) ? SIGN_EXTRACT : ZERO_EXTRACT, mode, GET_MODE (op0) != VOIDmode - ? GET_MODE (op0) : mode1, + ? GET_MODE (op0) + : TYPE_MODE (TREE_TYPE (tem)), op0, GEN_INT (bitsize), GEN_INT (bitpos)); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8645df9..df48e93 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-12-16 Jakub Jelinek <jakub@redhat.com> + + PR debug/46893 + * gcc.dg/pr46893.c: New test. + 2010-12-16 H.J. Lu <hongjiu.lu@intel.com> PR lto/46976 diff --git a/gcc/testsuite/gcc.dg/pr46893.c b/gcc/testsuite/gcc.dg/pr46893.c new file mode 100644 index 0000000..ef97e2e --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr46893.c @@ -0,0 +1,13 @@ +/* PR debug/46893 */ +/* { dg-do compile } */ +/* { dg-options "-O -g" } */ + +void +foo (void) +{ + union { unsigned long long l; double d; } u = { 0x7ff0000000000000ULL }; + double v = 0, w = -u.d; + + if (w) + w = v; +} |